背景
我的外接显示器的显示、分辨率和连接都完美无缺。但是 Ubuntu 认为外接显示器比我的笔记本电脑屏幕小。显示器身体上虽然分辨率较低,但宽度约为我的笔记本电脑屏幕的两倍。
我认为物理尺寸取决于分辨率。
问题
这会影响我将鼠标从一个屏幕移动到另一个屏幕的难易程度和位置。我必须将鼠标放在笔记本电脑屏幕的中央才能访问外部显示器。尽管实际上显示器在笔记本电脑的两侧都有大约 6 英寸的额外空间。
额外细节
作为参考,外接显示器是LG 29UB67
,分辨率是2560x1080
。我正在运行 17.04。
以下是连接到同一台显示器的 Macbook 对相同对话框的呈现:
xrandr:
Screen 0: minimum 320 x 200, current 3840 x 3240, maximum 8192 x 8192
eDP-1 connected primary 3840x2160+0+1080 (normal left inverted right x axis y axis) 346mm x 194mm
3840x2160 60.00*+
2048x1536 60.00
1920x1440 60.00
1856x1392 60.01
1792x1344 60.01
1920x1200 59.95
1920x1080 59.93
1600x1200 60.00
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1360x768 59.80 59.96
1152x864 60.00
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
960x600 60.00
960x540 59.99
800x600 60.00 60.32 56.25
840x525 60.01 59.88
800x512 60.17
700x525 59.98
640x512 60.02
720x450 59.89
640x480 60.00 59.94
680x384 59.80 59.96
576x432 60.06
512x384 60.00
400x300 60.32 56.34
320x240 60.05
DP-1 connected 2560x1080+746+0 (normal left inverted right x axis y axis) 798mm x 334mm
2560x1080 60.00*+
1920x1080 60.00 60.00 50.00 59.94
1920x1080i 60.00 59.94
1680x1050 59.95
1600x900 60.00
1280x1024 75.02 60.02
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x480 60.00 59.94
640x480 75.00 60.00 59.94
720x400 70.08
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)